Hornady's Frontier FR320 5.56 NATO ammunition is designed for precision and accuracy. This American-made product meets military-grade standards, making it suitable for a variety of applications, including target shooting and varmint hunting. The brass cartridge cases and military-grade boxer primers ensure reliable performance. With a muzzle velocity of 2910 feet per second and muzzle energy of 1410 foot-pounds, this ammunition delivers consistent results. Frontier Cartridge's commitment to quality is evident in every detail, from the precision-crafted bullets to the carefully selected propellant. Whether you're a seasoned shooter or just starting out, Hornady's Frontier FR320 5.56 NATO ammunition is an excellent choice for those seeking high-performance rounds. Key Benefits and Features: Caliber: 5.56 NATO Bullet Type: Boat Tail Hollow Point Match Bullet Weight: 75 gr Muzzle Velocity: 2910 fps Muzzle Energy: 1410 ft lbs Rounds Per Box: 20 Casing Material: Brass